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1201430442 = 231189716831
BaseRepresentation
bin100011110011100…
…0101111110101010
310002201200222201210
41013213011332222
54430031233232
6315114453550
741525663442
oct10747057652
93081628653
101201430442
115671a3523
122964342b6
13161ba55b4
14b57c3122
157071e5cc
hex479c5faa

1201430442 has 16 divisors (see below), whose sum is σ = 2403205632. Its totient is φ = 400419360.

The previous prime is 1201430437. The next prime is 1201430459. The reversal of 1201430442 is 2440341021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62967 + ... + 79797.

It is an arithmetic number, because the mean of its divisors is an integer number (150200352).

Almost surely, 21201430442 is an apocalyptic number.

1201430442 is an abundant number, since it is smaller than the sum of its proper divisors (1201775190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201430442 is a wasteful number, since it uses less digits than its factorization.

1201430442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28733.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1201430442 is about 34661.6566540031. The cubic root of 1201430442 is about 1063.0806435870.

Adding to 1201430442 its reverse (2440341021), we get a palindrome (3641771463).

The spelling of 1201430442 in words is "one billion, two hundred one million, four hundred thirty thousand, four hundred forty-two".

Divisors: 1 2 3 6 11897 16831 23794 33662 35691 50493 71382 100986 200238407 400476814 600715221 1201430442